CN101015228A - Wireless communication terminal apparatus and program - Google Patents
Wireless communication terminal apparatus and program Download PDFInfo
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- CN101015228A CN101015228A CNA2005800302320A CN200580030232A CN101015228A CN 101015228 A CN101015228 A CN 101015228A CN A2005800302320 A CNA2005800302320 A CN A2005800302320A CN 200580030232 A CN200580030232 A CN 200580030232A CN 101015228 A CN101015228 A CN 101015228A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/12—Inter-network notification
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Abstract
A wireless communication terminal apparatus comprises a radio part that switches between first and second communication systems to perform a wireless communication by use of a shared antenna; and a control part that controls the wireless communication performed by the radio part. The control part monitors the arrival of an incoming call in the second communication system during communication of the first communication system. If detecting that arrival, then the control part switches from the first communication system to the second communication system for a first predetermined time for which the communication of the first communication system is not disconnected. After the first predetermined time elapses, the control part switches from the second communication system to the first communication system to resume the communication of the first communication system.
Description
Technical field
The present invention relates to a kind of being used for by two communication systems being switched more specifically, relate to a kind of communication system handoff technique by sharing the wireless communication terminal of antenna executive communication.
Background technology
Known to two communication systems being switched the wireless communication terminal of carrying out with the system that communicates by letter (dual system) of base station.As the wireless communication terminal of this dual system, proposed to be equipped with the portable terminal (for example, seeing patent documentation 1) that CDMA2000 1x communication system and CDMA2000 1x EVDO communication system is carried out device for switching.
In addition,, proposed such wireless communication terminal, promptly shared an antenna, and, communicated by one of communication system by switching the communication system of using antenna as required with two communication systems as the dual system wireless communication terminal.
Patent documentation 1:JP-A-2003-298762
Summary of the invention
The problem to be solved in the present invention
Above-mentioned hybrid terminal is carried out data communication simultaneously in a system, monitor the calling that enters in another system.
For example, as shown in Figure 6, when terminal by the A of system (CDMA2000 1x EVDO) when communication, hybrid terminal comes the calling that enters among the surveillance B by switch to the B of system (CDMA2000 1x) with predetermined time interval.Therefore, even when terminal is communicated by letter by the A of system, in the B of system, also present idle condition.
So as shown in Figure 7, when hybrid terminal is receiving entering among the B of system when calling out simultaneously by the A of system communication, this terminal switches to the B of system from the A of system, enters calling to respond this, and makes terminal enter the state that communicates by the B of system.
Therefore because the B of system taken antenna, so in the A of system abort communication.
Communication in having prolonged system A is during the intermission, caused the overtime of application program that system A is used for communicating by letter.Thereby worry to be lost in the data of communication period and historical information etc.
Even do not consider overtimely, still in data link layer that is lower than application layer or physical layer, keep to connect, but the user must restart application program to set up communication once more.
In addition, in the physical layer of base station side, set in advance predetermined timeout value, with the business normsization in the cordless communication network.As a result, when in physical layer, causing when overtime, being connected between parting system A and the base station.
The means of dealing with problems
First invention provides a kind of radio communication terminal device, comprising:
The radio part is used for carrying out between first communication system and second communication system and switches, to carry out radio communication by sharing antenna; And
Control section is used to control the radio communication of partly being carried out by radio,
Wherein, control section monitors the calling that enters in the second communication system in the communication period of first communication system,
Enter when calling out when detecting, control section switches to the second communication system from first communication system in the predetermined very first time of the communication that can not disconnect first communication system, and
After through the predetermined very first time, control section switches to first communication system from the second communication system, to continue the communication of first communication system again.
According to first the invention second the invention in, control section detect enter calling after, continue the communication of second communication system again,
After through the predetermined very first time, end the communication of second communication system,
In predetermined second time of the communication that can not disconnect the second communication system, carry out the communication of first communication system, and
Then, switch to the second communication system, to continue the communication of second communication system again from first communication system.
In the 3rd invention according to second invention, the predetermined very first time is that the signal procedure that is used for first communication system can not determined time of communicating by letter and disconnecting, and
Predetermined second time is that the signal procedure that is used for the second communication system can not determined time of communicating by letter and disconnecting.
The 4th invention provides a kind of program that radio communication terminal device with radio part and control section is executed instruction, wherein, radio partly is used for carrying out switching between first communication system and second communication system, to carry out radio communication by sharing antenna; And control section is used to control the radio communication of partly being carried out by radio, and described instruction comprises:
In the communication period of first communication system, monitor the calling that enters in the second communication system;
Enter when calling out when detecting, in the predetermined very first time of the communication that can not disconnect first communication system, switch to the second communication system from first communication system; And
After through the predetermined very first time, switch to first communication system from the second communication system, to continue the communication of second communication system again.
The 5th invention according to the 4th invention also comprises to give an order:
Detect enter calling after, start the communication of second communication system;
After through the predetermined very first time, end the communication of second communication system;
In predetermined second time of the communication that can not disconnect the second communication system, carry out the communication of first communication system; And
Switch to the second communication system from first communication system then, to continue the communication of second communication system again.
The invention advantage
According to the present invention, radio communication terminal device comprises:
The radio part is used for switching between first communication system and second communication system, to carry out radio communication by sharing antenna; And
Control section is used to control the radio communication of partly being carried out by radio,
Wherein, control section monitors the calling that enters in the second communication system in the communication period of first communication system,
Enter when calling out when detecting, control section switches to the second communication system from first communication system in the predetermined very first time of the communication that can not disconnect first communication system, and
After through the predetermined very first time, control section switches to first communication system from the second communication system, to continue the communication of first communication system again.
Therefore, also can communicate by two communication systems simultaneously even have the wireless communication terminal of an antenna.
In addition, according to the present invention, control section detect enter calling after, continue the communication of second communication system again,
After through the predetermined very first time, end the communication of second communication system,
In predetermined second time of the communication that can not disconnect the second communication system, carry out the communication of first communication system, and
Then, switch to the second communication system, to continue the communication of second communication system again from first communication system.
Therefore, communicate by letter even have when the wireless communication terminal of an antenna can keep two communication systems.
Description of drawings
[Fig. 1] shows the block diagram of configuration of the wireless communication terminal of first embodiment of the invention.
[Fig. 2] shows the sequential chart of the switching of the communication system in first embodiment of the invention.
The flow chart of [Fig. 3] communication system hand-off process in first embodiment of the invention.
[Fig. 4] shows the sequential chart of the switching of the communication system in second embodiment of the invention.
The flow chart of [Fig. 5] communication system hand-off process in second embodiment of the invention.
[Fig. 6] shows the sequential chart of the switching of communication system in the prior art.
[Fig. 7] shows the sequential chart of the switching of communication system in the prior art.
The description of reference number and symbol
1 antenna
2 RF control sections
3 master control parts
The A of 4A system agreement control section
The B of 4B system agreement control section
Embodiment
Below, embodiments of the invention are described with reference to the accompanying drawings.
Fig. 1 shows the block diagram of configuration of the wireless communication terminal 10 of first embodiment of the invention.
The wireless communication terminal 10 of present embodiment is by (1x only strengthens data to CDMA2000 1x EV-DO; Hereinafter referred to as " EV-DO ") and CDMA2000 1x (hereinafter referred to as " 1x ") switch, use to share antenna and carry out radio communication.EV-DO is the communication system that only is used for data communication, and usually, wireless communication terminal 10 is carried out data communication by the EV-DO system.
Simultaneously, 1x also can be similar to EV-DO and carry out data communication, but is mainly used in voice telephone calls.For convenience, will be following respectively EV-DO with 1x calls the A of system and the B of system sets forth.
RF control section 2 is abideed by each radio standard and is carried out transmission/receiving course.
That is, the RF of the RF of the A of system part and the B of system partly is included in the RF control section.
The RF part of system A will be converted to high-frequency signal by data-signal or the audio signal that communication system A sends, and then this signal will be sent to antenna 1.
In addition, the RF of the A of system part will be converted to data-signal or audio signal from the high-frequency signal of antenna 1.
The RF part of system B will be converted to high-frequency signal by data-signal or the audio signal that the B of system sends, and then this signal will be sent to antenna 1.
In addition, the RF of the B of system part will be converted to data-signal or audio signal from the high-frequency signal of antenna 1.
In addition, the Base-Band Processing part is set in RF control section 2.
Base-Band Processing partly by the CODEC part of portion's setting within it, is demodulated into audio signal with baseband signal.
In addition, the CODEC part is modulated audio signal, and generates baseband signal.
In addition, the communication of two communication systems of RF control section 2 control system A, B.
The various piece of 3 supervision of master control part and control wireless communication terminal 10.For example, master control part 3 is by switching system protocol part 4A, 4B, is controlled at the switching between two systems of the A of system, B.
That is, the wireless communication terminal 10 of this embodiment of the invention is shared a RF control section 2 with A of system and the B of system, and the system of executive communication takies RF control section 2.
In addition, master control part 3 is controlled to be the application A 1 to An of each system's setting and beginning and the end of B1.The application A of using in the A of system 1 to An is used for data communication, and comprises web browser, is used for for example browsing/listen to the multimedia player of stream video etc. etc.
On the contrary, the B of system uses application program B1 to be used for voice telephone calls.
In addition, be respectively these application A 1 to An and B1 and set in advance the overtime scheduled time.When in communication period, wherein can not carry out transmission/reception data processing state continuance during the scheduled time, occur overtime.
In addition, also for application program B1 be set the overtime scheduled time in advance.When during audio call, wherein can not carry out Audio Signal Processing state continuance during the scheduled time, occur overtime.
In the present embodiment, " disconnection " of communication represents following situation: the overtime of application program occur, must restart application program then, so that it is available to communicate by letter.
In the present embodiment, " termination " of communication represents following situation: can not come deal with data or audio signal by the A of system agreement 4A or the B of system agreement 4B, but in application program, do not occur overtimely, thereby can continue processing immediately again data or audio signal.
Fig. 2 illustrates the sequential chart that communication system is switched by first embodiment.
As mentioned above, even when hybrid terminal is carried out data communication by the A of system, this terminal is with the calling that enters among the predetermined time interval surveillance B.
At this moment, when hybrid terminal detected entering among the B of system and calls out, master control part 3 switched to the B of system from the A of system, enters calling to respond this, and the communication of start-up system B.Owing to the startup of the communication among the B of the system responding system B has taken antenna, so ended the communication among the system A.
In first embodiment, in order in the long time, not continue the termination of the A of system communication, when the call duration time of the B of system is scheduled time T, the communication of parting system B forcibly, and continue the communication of the A of system again.
The application program that this scheduled time T is set to operation can not to be used for the A of system communication is defined as the overtime time.
Therefore, even the time provisionally by the B of system executive communication, the not communication of parting system A.
Fig. 3 is the flow chart of the communication system hand-off process among first embodiment, and described hand-off process is carried out by master control part 3.
At first, when in wireless communication terminal 10, starting at least one of the application A 1 to An be used for communicating by letter, the time T (S101) that the B of permission system communicates is set based on the timeout value of determining by application program.
As mentioned above, be defined as overtime thereby do not disconnect in the scope of communication, determine this communication permitted hours T in the application program that execution can be used for the A of system communication.
Then, (S102) start handled in the communication of executive system A, carry out then be used to communicate by letter start the communication (S103) of the system A of application program.That is, system A sets up and being connected of communication objective ground via the base station (not shown), and begins the transmission/reception of data.
At this moment, the A of system takies antenna 1.
Then, even, switch to the B of system from the A of system, and call out to idle for entering among the B of the system surveillance B with predetermined time interval in the communication period of the A of system.At this moment, the B of system takies antenna 1.
During the idle condition of the B of system, activate timer.Whether the free time of determining the B of system by timer finishes (S104).
Do not finish if the free time of system B also, then handle proceeding to step S109.
On the other hand, if the free time of the B of system finish, then determine at one's leisure between in whether in the B of system, received and entered calling (S105).
If in the B of system, do not detect and enter calling, then handle and proceed to step S109.
On the other hand, enter calling, then make switching, and by starting application program B, executive communication starts processing (S106) in the B of system from the A of system to the B of system if in the B of system, detected.Then, the communication of executive system B (S107).
At this moment, because the B of system taken antenna 1, so the A of system can not handle the data of sending from the base station or be sent to the data of base station.But, on application program, kept data and the historical information in the communication.
Communication period at the B of system is operated timer.Then, determine whether in the B of system, to have passed through permission call duration time T (S108) by timer.
As a result, when in the B of system, having passed through permission call duration time T, the sign off of system B, and make switching from the B of system to the A of system.Then, processing proceeds to S109.
Here, system A has taken antenna 1 once more, and the A of system continues again to data of sending from the base station or the processing that is sent to the data of base station.
On the other hand, if in the permission call duration time T of institute's elapsed time in the B of system, then the B of system takes place before overtime also vacant if having time in the A of system.Therefore, handle and return step S107, and continue the communication of the B of system.
In S109, determine whether the communication of the A of system finishes.
For example, when the signal post application program started that is through with to the A of system, determine the sign off of the A of system.Therefore, finish this communication system hand-off process.
On the other hand, continue the communication of the A of system if desired, then handle and return step S103.Then, continue the communication of the A of system.
As mentioned above, in the first embodiment of the present invention,, in the B of system, receive to enter and call out then that the B of system response enters calling even in the communication period of the A of system, the timeout value that also will will disconnect in the connection of the A of system in the past before the communication of suspension system B.Then, communication is back to primal system A.
As a result, even have the communication that the wireless communication terminal of a RF part also can be carried out two communication systems simultaneously.
Next, will be in the following elaboration second embodiment of the present invention.
Except the difference of method of the call duration time of management in the B of system, second embodiment is similar with aforesaid first embodiment aspect the configuration of wireless communication terminal 10.
In this case, to above-mentioned first embodiment in identical configuration use identical label, will omit elaboration here to them.
Fig. 4 shows the sequential chart that communication system is switched according to second embodiment.
As mentioned above, even when hybrid terminal is carried out data communication by the A of system, terminal is also come the calling that enters among the surveillance B with predetermined time interval.
At this moment, entering when calling out in detecting the B of system, master control part 3 switches to the B of system from the A of system, enters calling to respond this, then the communication of start-up system B.
Because the B of system has taken antenna 1 by the communication that the B of system starts, so ended the communication of system A.
In a second embodiment, in order not continue the termination of the A of system communication in a long time, when the call duration time of the B of system is scheduled time Ta, the communication of suspension system B, switching is back to the A of system provisionally then.
The application program that this scheduled time Ta is set to operation can not to be used for the A of system communication is defined as the overtime time.
Therefore, even by the B of system provisionally during executive communication, the also not communication of parting system A.
When after the communication of suspension system B, switching retrieval system A, in the A of system, carry out the processing of the communication termination of anti-locking system A temporarily.
For example, (once) continues the data transmission/reception of the A of system again or orders the communication that comes executive system A by transmission examination (ping) by once.
Then, when the scheduled time, Tb expired, master control part 3 switched to the B of system from the A of system, and continued the communication of the B of system again.
The application program B1 that this scheduled time Tb is set to operation can not to be used for the voice communication of the B of system is defined as the overtime time.
System B restarts communication after time T c.This time T c is the required long time of time T b of processing of ending than the communication of anti-locking system A, and the application program that Tc is set to operate the communication that is used for the B of system can not detect the overtime time.
Then, can until the communication of finishing the B of system, remain on two communications in the system by the handover operation of duplicated system A and the B of system.
In other words, in a second embodiment, in the communication period of the B of system, the communication among the suspension system A in fact, however application program that can be by shortening anti-locking system A of continuous communication intermission and the B of system is overtime.
Therefore, can under the situation of the not communication of parting system A, come the communication of executive system B.
Fig. 5 is the flow chart of the communication system hand-off process among second embodiment, and this hand-off process is carried out by master control part 3.
At first, when in wireless communication terminal 10, starting at least one of the application A 1 to An be used for communicating by letter, Ta switching time of system, Tb, the Tc (S121) that are determined by application program are set.
As implied above, the application program that execution is used for the communication of the A of system neither can be defined as overtime, can not interrupt determining this communication permitted hours Ta in the scope of this communication again.
In addition, as mentioned above, the application program that execution is used for the communication of the B of system neither can be defined as overtime, can not interrupt determining this communication permitted hours Tb in the scope of this communication again.
Then, handle (S122), the communication of executive system A (S123) then by using the operated application program that is used to communicate by letter to come the communication of executive system A to start.That is, system A sets up and being connected of communication objective ground via the base station (not shown), and the transmission/reception of log-on data.
At this moment, the A of system has taken antenna 1.In this case, because processing and the processing among the step S103 to S107 among above first embodiment in step S123 to S127 are similar, so omit elaboration here to them.
Communication period at the B of system is operated (S127) to timer.Then, determine whether in the B of system, to have passed through permission call duration time Ta (S128) by timer.
As a result,, then make switching, the communication (S129) of executive system A in the time period of permission call duration time Tb in the A of system then from the B of system to the A of system if in the B of system, passed through permission call duration time Ta.
System B computing time is to determine whether to have passed through time T b.If passed through time T b, then make switching from the A of system to the B of system, continue the communication of the B of system then again.
Then, whether the communication of determining the B of system finishes (S130).
For example, be the application program started B1 of signal post of the B of system, determine that then the communication of the B of system finishes, and processing proceed to step S131 if be through with.On the other hand, continue the communication of the B of system if desired, then handle and return step S127, and continue the communication of the B of system.
In step S131, determine whether the communication of the A of system finishes (S131).For example, be signal post's application program started of the A of system, then determine the sign off of the A of system, and the communication system hand-off process finish if be through with.
On the other hand, continue the communication of the A of system if desired, then handle and return step S123, and continue the communication of the A of system.
As mentioned above, in the second embodiment of the present invention,, in the B of system, receive and enter calling and make the response that this is entered calling by the B of system then, switch and also return primal system A termly even in the communication period of the A of system.Then, carry out short time communication by the A of system.
Then, switch to the B of system once more, and the communication of executive system B.
As a result, even have the communication that the wireless communication terminal of an antenna can keep two communication systems simultaneously.
In a second embodiment, when having started at least one of the application A 1 to An that is used for the A of system, permission call duration time Tb is set, wherein, that the application program B1 that is used for the B of system neither can be defined as is overtime, also can not disconnect communication (S121).But the present invention is not limited to this pattern.
For example, can in step S125, detect the calling that enters among the B of system, switch to the B of system, and when starting application program B1, permission call duration time Tb is set from the A of system.In addition, can in step S128, pass through permission call duration time Ta, and when in step S129, making switching, permission call duration time Tb has been set from the B of system to the A of system.
In addition, in first embodiment and second embodiment, will overtime state in application A 1 to An and B1, occur and be considered as " disconnection ".Yet this situation is determined that by application layer the present invention is not limited to this pattern.
In addition, for example, set in advance the scheduled time, with the business normsization in the cordless communication network in base station side.Therefore, when the state continuance of not carrying out data transmission/reception during the scheduled time, take place overtime.
By should overtimely being shown " disconnection ", can make definite by physical layer.
In addition, in the present embodiment, in that CDMA2000 1x EV-DO and CDMA2000 1x are set to set forth under the hypothesis of A of system and the B of system respectively.But the present invention is not limited to this condition.But any communication system of handle data communication can be used as the A of system.In addition, but can monitor that any communication system that enters calling is as the B of system with voice communications and when the A of the system executive communication off and on.
Practicality
In the invention of in claim 1 to 5, setting forth, even have the wireless of an antenna In the communication terminal, can come executive communication by two communication systems simultaneously. Therefore, the present invention Has very big practicality.
Claims (5)
1. radio communication terminal device comprises:
The radio part is used for carrying out between first communication system and second communication system and switches, to carry out radio communication by sharing antenna; And
Control section is used to control the radio communication of partly being carried out by described radio,
Wherein, described control section monitors the calling that enters in the second communication system in the communication period of first communication system,
Enter when calling out when detecting, described control section switches to the second communication system from first communication system in the predetermined very first time of the communication that can not disconnect first communication system, and
After through the predetermined very first time, described control section switches to first communication system from the second communication system, to continue the communication of first communication system again.
2. radio communication terminal device as claimed in claim 1, wherein,
Described control section detect enter calling after, continue the communication of second communication system again,
After through the predetermined very first time, end the communication of second communication system,
In predetermined second time of the communication that can not disconnect the second communication system, carry out the communication of first communication system, and
Then, switch to the second communication system, to continue the communication of second communication system again from first communication system.
3. radio communication terminal device as claimed in claim 2, wherein,
The described predetermined very first time is that the signal procedure that is used for first communication system can not determined time of communicating by letter and disconnecting, and
Described predetermined second time is that the signal procedure that is used for the second communication system can not determined time of communicating by letter and disconnecting.
4. program that radio communication terminal device is executed instruction, wherein, described radio communication terminal device has radio part and control section, described radio partly is used for carrying out switching between first communication system and second communication system, to carry out radio communication by sharing antenna; And described control section is used to control the radio communication of partly being carried out by radio, and described instruction comprises:
In the communication period of first communication system, monitor the calling that enters in the second communication system;
Enter when calling out when detecting, in the predetermined very first time of the communication that can not disconnect first communication system, switch to the second communication system from first communication system; And
After through the predetermined very first time, switch to first communication system from the second communication system, to continue the communication of second communication system again.
5. program as claimed in claim 4 also comprises to give an order:
Detect enter calling after, start the communication of second communication system;
After through the predetermined very first time, end the communication of second communication system;
In predetermined second time of the communication that can not disconnect the second communication system, carry out the communication of first communication system; And
Switch to the second communication system from first communication system then, to continue the communication of second communication system again.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP262112/2004 | 2004-09-09 | ||
| JP2004262112A JP4620414B2 (en) | 2004-09-09 | 2004-09-09 | Wireless communication terminal device and program |
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| Publication Number | Publication Date |
|---|---|
| CN101015228A true CN101015228A (en) | 2007-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2005800302320A Pending CN101015228A (en) | 2004-09-09 | 2005-09-07 | Wireless communication terminal apparatus and program |
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|---|---|
| US (1) | US8391916B2 (en) |
| JP (1) | JP4620414B2 (en) |
| KR (1) | KR20070042200A (en) |
| CN (1) | CN101015228A (en) |
| WO (1) | WO2006028145A1 (en) |
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| US20050266874A1 (en) * | 2004-05-26 | 2005-12-01 | Chengshing Lai | [method of automatically switching communication mode] |
| US20070142047A1 (en) * | 2005-12-19 | 2007-06-21 | Motorola, Inc. | Method and apparatus for managing incoming calls using different voice services on a multi-mode wireless device |
-
2004
- 2004-09-09 JP JP2004262112A patent/JP4620414B2/en not_active Expired - Fee Related
-
2005
- 2005-09-07 KR KR1020077005599A patent/KR20070042200A/en active Search and Examination
- 2005-09-07 WO PCT/JP2005/016439 patent/WO2006028145A1/en active Application Filing
- 2005-09-07 US US11/574,960 patent/US8391916B2/en active Active
- 2005-09-07 CN CNA2005800302320A patent/CN101015228A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111278076A (en) * | 2020-01-20 | 2020-06-12 | 锐迪科微电子科技（上海）有限公司 | EV-DO connection state response method, system, device, and medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4620414B2 (en) | 2011-01-26 |
| US20080261648A1 (en) | 2008-10-23 |
| KR20070042200A (en) | 2007-04-20 |
| JP2006080839A (en) | 2006-03-23 |
| WO2006028145A1 (en) | 2006-03-16 |
| US8391916B2 (en) | 2013-03-05 |
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